Why did the truss bridge break up with the beam bridge? It needed more support.
Why did the truss bridge break up with the beam bridge? It needed more support.
Fun fact: Covered bridges were roofed to protect the wood, not the travelers.
South Dakota
Total Bridges
79
Poor Condition
5.1%
Avg Sufficiency
64.1
Avg Age
48 yrs
Total Bridges
79
Poor Condition
4(5.1%)
Good or Better
3
Avg Sufficiency
64.1
Average Age
48 yrs
Daily Crossings
59K
Showing 1 - 20 of 79 bridges
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